阅读说明：本技术 一种自动化静重式力标准机 (Automatic change dead weight formula force standard machine ) 是由 刘毅 余淼 黄赈鑫 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种自动化静重式力标准机,属于力标准机技术领域,包括力标准机本体,力标准机本体包含定位模块、监测模块和控制模块,定位模块根据预设的坐标系对各个砝码本体的位置进行定位,得到砝码位置集；监测模块根据砝码位置集对砝码本体进行监测,得到砝码监测集；控制模块根据砝码监测集对砝码本体的运行进行调控；本发明用于解决现有方案中没有对砝码的位置进行监测和调整提示,导致力标准机的运行效果不佳的技术问题。(The invention discloses an automatic dead weight type force standard machine, which belongs to the technical field of force standard machines and comprises a force standard machine body, wherein the force standard machine body comprises a positioning module, a monitoring module and a control module, and the positioning module is used for positioning the position of each weight body according to a preset coordinate system to obtain a weight position set; the monitoring module monitors the weight body according to the weight position set to obtain a weight monitoring set; the control module regulates and controls the operation of the weight body according to the weight monitoring set; the invention is used for solving the technical problem that the operation effect of the force standard machine is poor because the position of the weight is not monitored and prompted by adjustment in the existing scheme.)

1. An automatic dead weight type force standard machine comprises a force standard machine body and is characterized in that the force standard machine body comprises a positioning module, a monitoring module and a control module, wherein the positioning module is used for positioning the position of each weight body (3) according to a preset coordinate system to obtain a weight position set; the monitoring module monitors the weight body (3) according to the weight position set to obtain a weight monitoring set containing a monitoring value and a monitoring result; the control module regulates and controls the operation of the weight body (3) according to the weight monitoring set.

2. The automatic dead weight type force standard machine is characterized in that the force standard machine body further comprises a prompting module and a storage module, wherein the prompting module is used for prompting the operation of the weight body (3); the storage module is used for storing various data of the force standard machine body during operation.

3. An automated deadweight force standard machine according to claim 2, wherein the points of connection of the plurality of pallets (2) to the hanger (1) are marked as origins of coordinates, and wherein the plurality of origins of coordinates are marked; setting a Y axis and an X axis according to the position of the hanger (1), and obtaining a plurality of vertically arranged coordinate systems according to a preset coordinate interval; the middle of the weight body (3) is provided with a circular groove, the middle points of the left side and the right side of the circular groove are acquired in the horizontal direction, and the coordinates of the left middle point and the coordinates of the right middle point of the circular groove are marked respectively to obtain a weight position set.

4. An automated dead weight machine according to claim 3, characterized in that several weight bodies (3) are marked; acquiring the thickness and the radius corresponding to each weight body (3) and marking respectively; respectively marking the distances between the left midpoint and the right midpoint of the circular groove and the hanger; marking the distances between the left midpoint and the right midpoint of the circular groove and the tray (2); and acquiring and marking the weight associated values corresponding to the plurality of weight types.

5. The automatic dead weight type force standard machine according to claim 4, characterized in that each item of marked data is normalized and subjected to value calculation to obtain the monitoring value of each weight body (3); matching the monitoring value with a preset monitoring range to obtain a monitoring result; and (4) classifying and combining the marked data with the monitoring values and the monitoring results to obtain a weight monitoring set.

6. The automated static gravity force standard machine according to claim 5, wherein the specific steps of matching the monitored value with the preset monitoring range comprise: if the monitoring value belongs to the monitoring range, generating a first matching signal; if the monitoring value does not belong to the monitoring range, generating a second matching signal; and generating a first regulation instruction and a second regulation instruction according to the second matching signal.

7. The automatic dead weight force standard machine according to claim 6, wherein the specific steps of regulating and controlling the operation of the weight body (3) comprise: generating a prompt of weight position adjustment according to a first regulation instruction in the weight monitoring set; and controlling the bracket (4) to move up and down according to a second regulation and control instruction concentrated by weight monitoring.

8. An automatic dead weight type force standard machine according to claim 7, characterized in that the force standard machine body is provided with a hanging (1) and a plurality of trays (2) and a plurality of weight bodies (3) and brackets (4).

Technical Field

The invention relates to the technical field of force standard machines, in particular to an automatic dead weight type force standard machine.

Background

The force standard machine is a force measuring machine which takes the gravity of a weight as a standard load and applies the weight to an instrument to be calibrated orderly and stably through a proper mechanical structure and a reasonable control program.

When the existing dead weight type force standard machine is used, the position of a weight is not monitored and adjusted in real time, so that the operation result of the force standard machine is influenced by the weight with an nonstandard position.

Disclosure of Invention

The invention aims to provide an automatic dead weight type force standard machine, which solves the following technical problems: how to solve and not having in the current scheme monitor and adjust the suggestion to the position of weight, lead to the not good technical problem of operation effect of force standard machine.

The purpose of the invention can be realized by the following technical scheme:

an automatic dead weight type force standard machine comprises a force standard machine body, wherein the force standard machine body comprises a positioning module, a monitoring module and a control module, and the positioning module is used for positioning the position of each weight body according to a preset coordinate system to obtain a weight position set; the monitoring module monitors the weight body according to the weight position set to obtain a weight monitoring set containing a monitoring value and a monitoring result; the control module regulates and controls the operation of the weight body according to the weight monitoring set.

Furthermore, the force standard machine body also comprises a prompt module and a storage module, wherein the prompt module is used for prompting the operation of the weight; the storage module is used for storing various data of the force standard machine body during operation.

Further, the connection points of the trays and the hanger are marked as coordinate origin points, and the coordinate origin points are marked as ZYi from top to bottom, wherein i is 1,2,3.. n; setting the vertical direction of the hanger as the Y-axis direction, setting the horizontal direction of the hanger as the X-axis direction, and obtaining a plurality of vertically arranged coordinate systems according to the preset coordinate interval; a circular groove is arranged in the middle of the weight body, the middle points of the left side and the right side of the circular groove are obtained in the horizontal direction, the coordinate of the left middle point is marked as (xz, yz), and the coordinate of the right middle point is marked as (xy, yy); classifying and combining the left midpoint coordinates and the right midpoint coordinates of the weight bodies to obtain a weight position set; and the left midpoint coordinate and the right midpoint coordinate are used for acquiring the distance between the weight body and the hanger and the tray.

Further, the concrete steps of monitoring the weight body include: marking the weight bodies as FMi from top to bottom; acquiring the thickness and radius corresponding to each weight body, and marking the thickness of each weight body as FHi; the radius of the weight body is marked FBi; the distances between the left and right midpoints of the circular groove and the hanger are marked as J1 and J2; the distances between the left and right midpoints of the circular groove and the tray are marked as J3; the distances between the left middle point and the right middle point of the circular groove and the tray are the same;

acquiring types corresponding to the weight bodies, matching the weight types with a preset weight association table to acquire corresponding weight association values, and marking the corresponding weight association values as FGi; carrying out normalization processing on all marked data and taking values, and calculating by using a formula to obtain the monitoring value of each weight body; matching the monitoring value with a preset monitoring range to obtain a monitoring result; and (4) classifying and combining the marked data with the monitoring values and the monitoring results to obtain a weight monitoring set.

Further, the calculation formula of the monitoring value is as follows:

JC＝FGi×[a1×(J1-B1)+a2×(J2-B1)+a3×(J3-B2)+0.233]

wherein a1, a2 and a3 are expressed as different proportionality coefficients, B1 is expressed as a standard distance between the left and right midpoints of the circular groove and the hanger 1, and B2 is expressed as a standard distance between the left and right midpoints of the circular groove and the tray 2.

Further, the specific steps of matching the monitoring value with the preset monitoring range include: if the monitoring value belongs to the monitoring range, generating a first matching signal; if the monitoring value does not belong to the monitoring range, generating a second matching signal; when the monitoring value is not larger than the minimum value of the monitoring range, judging that the center of the weight body deviates, and generating a first regulation and control instruction; when the monitoring value is not smaller than the maximum value of the monitoring range, the distance between the weight body and the tray is judged to be unqualified, and a second regulation and control instruction is generated.

Further, the concrete steps of regulating and controlling the operation of the weight body comprise: analyzing the weight monitoring set, and if the weight monitoring set contains a first regulation and control instruction, generating a prompt of weight position adjustment through a prompt module according to the first regulation and control instruction; if the weight monitoring set contains a second regulation and control instruction, the bracket is controlled to move up and down according to the second regulation and control instruction to adjust the distance between the weight body and the tray.

Further, install on the force standard machine body and hang and a plurality of tray and a plurality of weight body and bracket, a plurality of tray fixed mounting hangs, and a plurality of bracket symmetric distribution is in the position of the inside both sides of force standard machine body, and a plurality of weight body is installed inside the force standard machine body through a plurality of bracket, and a plurality of bracket reciprocates inside the force standard machine body, realizes loading and unloading the weight body.

The invention has the beneficial effects that:

1. the positioning module is used in cooperation with the monitoring module and the control module, so that the positions of the weight bodies can be monitored, prompted and adjusted, the operation effect of the force standard machine can be improved, the positioning module positions the positions of the weight bodies according to a preset coordinate system to obtain a weight position set, and reliable data support can be provided for the subsequent analysis of the weight bodies by positioning and data acquisition of the positions of the weight bodies;

2. the monitoring module monitors the weight body according to the weight position set to obtain a weight monitoring set, judges whether the position of the weight is normal or not and prompts the position through calculating and analyzing various collected data, and can adjust the position of the weight body in the vertical direction through the adjusting bracket;

3. the control module regulates and controls the operation of the weight bodies according to the weight monitoring set, so that the weight bodies are in normal positions to work, and the purpose of improving the operation effect of the force standard machine is achieved.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a block diagram of modules included in an automated deadweight force standard machine of the present invention.

Fig. 2 is a schematic cross-sectional view of the force standard machine body of the present invention.

In the figure: 1. hanging; 2. a tray; 3. a weight body; 4. a bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the invention is an automatic dead weight type force standard machine, which comprises a force standard machine body, wherein the force standard machine body is in a dead weight type, a hanger 1, a plurality of trays 2, a plurality of weight bodies 3 and brackets 4 are arranged on the force standard machine body, the plurality of trays 2 are fixedly arranged on the hanger 1, the plurality of brackets 4 are symmetrically distributed at the positions of two sides in the force standard machine body, the plurality of weight bodies 3 are arranged in the force standard machine body through the plurality of brackets 4, and the plurality of brackets 4 move up and down in the force standard machine to realize the loading and unloading of the weight bodies 3; the up-and-down movement of the bracket 4 is realized based on the existing cam mechanism, the cam mechanism comprises an eccentric wheel, a motor arranged in the force standard machine body is used for driving the eccentric wheel to rotate, the movement distance of the bracket 4 depends on the eccentric amount of the eccentric wheel, and the lifting speed of the bracket 4 depends on the motor; in an initial state, the bracket 4 is positioned at the highest position through the cam mechanism, the weight body 3 is supported through the brackets 4 on the two sides and is not in contact with the tray 2, and at the moment, an initial distance is reserved between the tray 2 and the weight body 3; when needs add weight body 3, make bracket 4 downstream through cam mechanism, the bracket 4 of both sides drives weight body 3 and moves down simultaneously, until weight body 3 contacts with tray 2, the bracket 4 of both sides continues the downstream, until being in predetermined lowest position.

The force standard machine body comprises a positioning module, a monitoring module, a control module, a prompting module and a storage module, wherein the prompting module is used for prompting the operation of the weight body 3; the storage module is used for storing various data of the force standard machine body during operation, and the positioning module is used for positioning the positions of the weight bodies 3 according to a preset coordinate system to obtain a weight position set; the method comprises the following steps:

marking the connection points of the plurality of trays 2 and the hanger 1 as coordinate origin points, and marking the plurality of coordinate origin points as ZYi from top to bottom, wherein i is 1,2,3.. n; setting the vertical direction of the hanger 1 as the Y-axis direction, setting the horizontal direction of the hanger 1 as the X-axis direction, and obtaining a plurality of vertically arranged coordinate systems according to a preset coordinate interval; a circular groove is arranged in the middle of the weight body 3, the middle points of the left side and the right side of the circular groove are obtained in the horizontal direction, the coordinate of the left middle point is marked as (xz, yz), and the coordinate of the right middle point is marked as (xy, yy); and (3) classifying and combining the left midpoint coordinates and the right midpoint coordinates of the weight bodies 3 to obtain a weight position set.

In this embodiment, through establishing coordinate system and independent calculation and analysis to a plurality of weight body 3 alone, the operation to each weight body 3 is carried out the analysis with the vertical direction in the aspect of the follow level, when the position of vertical direction weight body 3 appears unusually, position through adjustment bracket 4 adjusts weight body 3, when the position of horizontal direction weight body 3 appears unusually, can in time carry out the early warning suggestion, can effectively improve the operation effect of weight body 3, eliminate the influence of weight body 3 to the operation of force standard machine.

The monitoring module monitors the weight body 3 according to the weight position set to obtain a weight monitoring set; the method comprises the following steps: marking the weight bodies 3 as FMi from top to bottom; acquiring the thickness and radius corresponding to each weight body 3, and marking the thickness of each weight body 3 as FHi; the radius of the weight body 3 is marked as FBi; the distances between the left and right midpoints of the circular groove and the hanger are marked as J1 and J2; the distances between the left and right midpoints of the circular groove and the tray 2 are both marked as J3; wherein, the distances between the left middle point and the right middle point of the circular groove and the tray 2 are the same;

acquiring the types corresponding to the weight bodies 3, matching the weight types with a preset weight association table to acquire corresponding weight association values, and marking the corresponding weight association values as FGi; carrying out normalization processing and value taking on various marked data, and calculating by using a formula to obtain the monitoring value of each weight body 3, wherein the calculation formula of the monitoring value is as follows:

JC＝FGi×[a1×(J1-B1)+a2×(J2-B1)+a3×(J3-B2)+0.233]

wherein a1, a2 and a3 are expressed as different proportionality coefficients, B1 is expressed as a standard distance between the left and right midpoints of the circular groove and the hanger 1, and B2 is expressed as a standard distance between the left and right midpoints of the circular groove and the tray 2; the standard distances between the left midpoint and the right midpoint of the circular groove and the hanger 1 are the same, and the standard distances between the left midpoint and the right midpoint of the circular groove and the tray 2 are the same;

in the embodiment, whether the positions of the weight bodies 3 are normal or not is judged by monitoring and calculating the weight bodies 3 with different masses, wherein the sizes of the weight bodies 3 with different masses are different, for example, the thicknesses and the radiuses of the weight bodies 3 with different masses are not consistent, and the positions of the weight bodies 3 are integrally analyzed conveniently by performing simultaneous calculation on various data of the weight bodies 3;

matching the monitoring value with a preset monitoring range, and generating a first matching signal if the monitoring value belongs to the monitoring range; if the monitoring value does not belong to the monitoring range, generating a second matching signal; when the monitoring value is not larger than the minimum value of the monitoring range, the position of the center of the weight body 3 is judged to deviate, and a first regulation and control instruction is generated; when the monitoring value is not less than the maximum value of the monitoring range, judging that the distance between the weight body 3 and the tray 2 is unqualified, generating a second regulation and control instruction, and classifying and combining the first matching signal, the second matching signal, the first regulation and control instruction and the second regulation and control instruction to obtain a monitoring result; and (4) classifying and combining the marked data with the monitoring values and the monitoring results to obtain a weight monitoring set.

The control module regulates and controls the operation of the weight body 3 according to the weight monitoring set, and the specific steps comprise: analyzing the weight monitoring set, and if the weight monitoring set contains a first regulation and control instruction, generating a prompt of weight position adjustment through a prompt module according to the first regulation and control instruction; if the weight monitoring set contains a second regulation and control instruction, controlling the bracket 4 to move up and down according to the second regulation and control instruction to adjust the distance between the weight body 3 and the tray 2; wherein, the greater the moving distance of bracket 4, be favorable to preventing to hang 1 and weight body 3 between and weight body 3 and 3 between produce to hang and bump more.

The storage module comprises a first storage unit, a second storage unit and a third storage unit, wherein the first storage unit is used for storing first-class information; the second storage unit is used for storing second type information; the third storage unit is used for storing the third type of information; the first type of information comprises various data of the force standard machine body in normal operation, including but not limited to the moving distance and the moving speed of the bracket 4, the mass and the moving distance of the weight body 3, the distance between the left midpoint and the right midpoint of the circular groove and the hanger 1, and the distance between the left midpoint and the right midpoint of the circular groove and the tray 2; the second type of information comprises various data when the bracket 4 is controlled to move up and down to adjust the distance between the weight body 3 and the tray 2; the third type of information includes various items of data when the position adjustment prompt of the weight body 3 is generated.

The formulas in the invention are all a formula which removes dimensions and calculates the numerical value of the dimension, software simulation is carried out by collecting a large amount of data when the force calibration machine body runs to obtain the formula closest to the real condition, and the preset proportionality coefficient and the threshold value in the formula are set by a person skilled in the art according to the actual condition or are obtained by simulating a large amount of data.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.